21030516

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5022

約数の個数: 60

約数和(自身を含む): 59218852

約数和(自身を除く): 38188336

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4993, 9986, 14979, 19972, 29958, 44937, 59916, 64909, 89874, 129818, 134811, 179748, 194727, 259636, 269622, 389454, 404433, 539244, 584181, 778908, 808866, 1168362, 1617732, 1752543, 2336724, 3505086, 5257629, 7010172, 10515258, 21030516]

約数ペア:

[(1, 21030516), (2, 10515258), (3, 7010172), (4, 5257629), (6, 3505086), (9, 2336724), (12, 1752543), (13, 1617732), (18, 1168362), (26, 808866), (27, 778908), (36, 584181), (39, 539244), (52, 404433), (54, 389454), (78, 269622), (81, 259636), (108, 194727), (117, 179748), (156, 134811), (162, 129818), (234, 89874), (324, 64909), (351, 59916), (468, 44937), (702, 29958), (1053, 19972), (1404, 14979), (2106, 9986), (4212, 4993)]